87742708 has 12 divisors (see below), whose sum is σ = 155133412. Its totient is φ = 43418880.

The previous prime is 87742691. The next prime is 87742751. The reversal of 87742708 is 80724778.

It can be written as a sum of positive squares in 2 ways, for example, as 44997264 + 42745444 = 6708^2 + 6538^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112683 + ... + 113458.

Almost surely, 2^87742708 is an apocalyptic number.

It is an amenable number.

87742708 is a deficient number, since it is larger than the sum of its proper divisors (67390704).

87742708 is a wasteful number, since it uses less digits than its factorization.

87742708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226242 (or 226240 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 87742708 is about 9367.1077713454. The cubic root of 87742708 is about 444.3621007912.

The spelling of 87742708 in words is "eighty-seven million, seven hundred forty-two thousand, seven hundred eight".